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  • × author_ss:"Friedrich, S."
  1. Friedrich, S.; Hertel, M.: bibweb - das Lernforum für Bibliotheken : Neue E-Learning-Angebote von ekz und Bertelsmann Stiftung (2002) 0.01 
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  2. Friedrich, S.: Umwelt im Internet : Informationsangebot der großen Verbände (1998) 0.01 
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    Abstract
    Vorstellung der Angebote des BUND, des NABU, von Greenpeace und des WWF

Years